- Add a skeleton MIPS assembler, disassembler and simulator.

runtime/vm/simulator_arm.h

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // Declares a Simulator for ARM instructions if we are not generating a native
 // ARM binary. This Simulator allows us to run and debug ARM code generation on
 // regular desktop machines.
 // Dart calls into generated code by "calling" the InvokeDartCode stub,
 // which will start execution in the Simulator or forwards to the real entry
 // on a ARM HW platform.
@@ skipping 50 matching lines @@
   // Call on program start.
   static void InitOnce();
 
   // Dart generally calls into generated code with 5 parameters. This is a
   // convenience function, which sets up the simulator state and grabs the
   // result on return.
   int64_t Call(int32_t entry,
                int32_t parameter0,
                int32_t parameter1,
                int32_t parameter2,
-               int32_t parameter3,
-               int32_t parameter4);
+               int32_t parameter3);
 
   // Implementation of atomic compare and exchange in the same synchronization
   // domain as other synchronization primitive instructions (e.g. ldrex, strex).
   static uword CompareExchange(uword* address,
                                uword compare_value,
                                uword new_value);
 
   // Runtime call support.
   static uword RedirectExternalReference(uword function,
                                          uint32_t argument_count);
@@ skipping 24 matching lines @@
   };
   bool fp_n_flag_;
   bool fp_z_flag_;
   bool fp_c_flag_;
   bool fp_v_flag_;
 
   // Simulator support.
   char* stack_;
   bool pc_modified_;
   int icount_;
-  static bool flag_trace_sim_;
   static int32_t flag_stop_sim_at_;
   SimulatorSetjmpBuffer* last_setjmp_buffer_;
 
   // Registered breakpoints.
   Instr* break_pc_;
   int32_t break_instr_;
 
   // Illegal memory access support.
   static bool IsIllegalAddress(uword addr) {
     return addr < 64*1024;
@@ skipping 95 matching lines @@
   }
 
   friend class SimulatorDebugger;
   friend class SimulatorSetjmpBuffer;
   DISALLOW_COPY_AND_ASSIGN(Simulator);
 };
 
 }  // namespace dart
 
 #endif  // VM_SIMULATOR_ARM_H_